MPI DArray: finished distribute, reduce and allocations #422
Conversation
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Allows the `DArray` to participate in MPI operations, by building on the newly-added support for "MPI-style" partitioning (i.e. only the rank-local partition is stored), via a new `MPIBlocks` partitioner. This commit also implements MPI-powered `distribute` and `reduce` operations for `MPIBlocks`-partitioned arrays, which support a variety of distribution schemes and data transfer modes.
Fdat/mpi test implementation
Closed
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
2 participants
Add this suggestion to a batch that can be applied as a single commit.
This suggestion is invalid because no changes were made to the code.
Suggestions cannot be applied while the pull request is closed.
Suggestions cannot be applied while viewing a subset of changes.
Only one suggestion per line can be applied in a batch.
Add this suggestion to a batch that can be applied as a single commit.
Applying suggestions on deleted lines is not supported.
You must change the existing code in this line in order to create a valid suggestion.
Outdated suggestions cannot be applied.
This suggestion has been applied or marked resolved.
Suggestions cannot be applied from pending reviews.
Suggestions cannot be applied on multi-line comments.
Suggestions cannot be applied while the pull request is queued to merge.
Suggestion cannot be applied right now. Please check back later.
This PR wraps up the base version of the DArray for MPI, including randomized allocations, ones, zeros, distribute without specified partition dimensions, and all the variations of reduce (sum, prod, reduce with a root, and without a root), including reduce dims and all-collect.